BE658326A - - Google Patents

Info

Publication number
BE658326A
BE658326A BE658326DA BE658326A BE 658326 A BE658326 A BE 658326A BE 658326D A BE658326D A BE 658326DA BE 658326 A BE658326 A BE 658326A
Authority
BE
Belgium
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE658326A publication Critical patent/BE658326A/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/12—Control, e.g. using remote control
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/12—Control, e.g. using remote control
    • E21D23/14—Effecting automatic sequential movement of supports, e.g. one behind the other
    • E21D23/144—Measuring the advance of support units with respect to internal points of reference, e.g. with respect to neighboring support units or extension of a cylinder
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
    • E21D23/26—Hydraulic or pneumatic control
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00—Transport specially adapted to underground conditions
    • E21F13/08—Shifting conveyors or other transport devices from one location at the working face to another
    • E21F13/086—Armoured conveyors shifting devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Actuator (AREA)
BE658326D 1964-01-18 1965-01-15 BE658326A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2312/64A GB1082663A (en) 1964-01-18 1964-01-18 Improvements relating to control means of mine roof supports

Publications (1)

Publication Number Publication Date
BE658326A true BE658326A (fr) 1965-04-30

Family

ID=9737334

Family Applications (1)

Application Number Title Priority Date Filing Date
BE658326D BE658326A (fr) 1964-01-18 1965-01-15

Country Status (4)

Country Link
BE (1) BE658326A (fr)
DE (1) DE1245293B (fr)
FR (1) FR1421042A (fr)
GB (1) GB1082663A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113217068B (zh) * 2021-04-28 2024-08-16 太原理工大学 一种工作面的检测装置、方法、终端及存储介质

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE922583C (de) * 1942-12-13 1955-01-20 Gerhard Werner Verfahren und Vorrichtung zum Verlegen von Strebfoerdermitteln und/oder Strebausbauteilen
DE938003C (de) * 1951-09-12 1956-01-19 Eugen Muething Setzvorrichtung fuer mehrteilige Grubenstempel
FR1307469A (fr) * 1961-12-01 1962-10-26 Dobson Ltd W E & F Amplificateur de pression hydraulique, applicable ou incorporable à un disnositif de support de plafond de mines

Also Published As

Publication number Publication date
FR1421042A (fr) 1965-12-10
GB1082663A (en) 1967-09-06
DE1245293B (de) 1967-07-27

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